This graph shows light vehicle sales since 2006 from the BEA (blue) and the BEA's estimate for September (red).
The impact of COVID-19 was significant, and April was the worst month.
Since April, sales have increased, but are still down 4.3% from last year.
The second graph shows light vehicle sales since the BEA started keeping data in 1967.
Sales-to-date are down 18.8% in 2020 compared to the same period in 2019.
In 2019, there were 12.70 million light vehicle sales through September. In 2020, there have been 10.31 million sales.